11643662 has 16 divisors (see below), whose sum is σ = 18304512. Its totient is φ = 5547960.

The previous prime is 11643661. The next prime is 11643677. The reversal of 11643662 is 26634611.

It is a happy number.

11643662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (1144032).

Almost surely, 2^11643662 is an apocalyptic number.

11643662 is a deficient number, since it is larger than the sum of its proper divisors (6660850).

11643662 is a wasteful number, since it uses less digits than its factorization.

11643662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its digits is 5184, while the sum is 29.

The square root of 11643662 is about 3412.2810552474. The cubic root of 11643662 is about 226.6539001845.

The spelling of 11643662 in words is "eleven million, six hundred forty-three thousand, six hundred sixty-two".